Semiconductor Electronics Materials Devices And Simple Circuits Ques 52
52. A semi-conducting device is connected in a series circuit with a battery and a resistance. A current is found to pass through the circuit. If the polarity of the battery is reversed, the current drops to almost zero. The device may be
[1998]
(a) a $p-n$ junction
(b) an intrinsic semi-conductor
(c) a $p$-type semi-conductor
(d) an $n$-type semi-conductor
Show Answer
Answer:
Correct Answer: 52.(a)
Solution:
- (a) In reverse bias, the current through a $p-n$ junction is almost zero.
BETA
